1378268067 has 8 divisors (see below), whose sum is σ = 2004753600. Its totient is φ = 835313960.

The previous prime is 1378268063. The next prime is 1378268083. The reversal of 1378268067 is 7608628731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1378268067 - 2² = 1378268063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1378268063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20882817 + ... + 20882882.

It is an arithmetic number, because the mean of its divisors is an integer number (250594200).

Almost surely, 2^1378268067 is an apocalyptic number.

1378268067 is a deficient number, since it is larger than the sum of its proper divisors (626485533).

1378268067 is a wasteful number, since it uses less digits than its factorization.

1378268067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41765713.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 1378268067 is about 37125.0328888743. The cubic root of 1378268067 is about 1112.8703319884.

The spelling of 1378268067 in words is "one billion, three hundred seventy-eight million, two hundred sixty-eight thousand, sixty-seven".